* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

.main {
    width: 1903px;
    display: flex;
    flex-direction: column;
}

/* 顶部样式 */
.top {
    height: 50px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-around;
    background-color: #333333;
    color: #8E8E84;
}

.topcontent {
    width: 1720px;
    /* height: 50px; */
    /* background-color: green; */
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
}

.topleft {
    width: 775px;
    /* height: 50px; */
    /* background-color: blue; */
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topleft span:not(.last):after{
    content: "|";

}

.topright {
    width: 255px;
    /* background-color: blue; */
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 头部样式 */
.header {
    height: 140px;
    /* background-color: greenyellow; */
    box-sizing: border-box;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.navcontent {
    height: 70px;
    width: 1720px;
    /* background-color: green; */
    display: flex;
    justify-content: space-between;
}

.navleft {
    width: 69px;
    height: 69px;
    /* background-color: blue; */
    background: url(./image/xiaomi_logo.png) no-repeat;
    background-size: contain;
}

.navmiddle {
    width: 880px;
    height: 69px;
    /* background-color: blue; */
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 20px;
}

.navright {
    width: 438px;
    height: 69px;
    /* background-color: blue; */
    border: .5px solid #F2F2F2;
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    text-align: right;
    font-size: 30px;
    align-items: center;
}
.navright span{
    width: 69px;
    height: 69px;
    border-left: .5px solid #F2F2F2;
    line-height: 69px;
    text-align: center;
}

/* 广告栏上 */
.bannerup {
    height: 660px;
    /* background-color: red; */
    display: flex;
    justify-content: space-around;
}

.upcontent {
    width: 1720px;
    height: 660px;
    background-color: green;
    display: flex;
    justify-content: space-between;
}

.upleft {
    width: 340px;
    background-color: #2E0C00;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    color: white;
}

.upright {
    flex: 1;
}
.upright img{
    width: 1380px;
    height: 660px;
}
/* 广告栏下 */
.bannerdown {
    height: 300px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.downcontent {
    width: 1720px;
    height: 240px;
    /* background-color: green; */
    display: flex;
    justify-content: space-between;
}

.downcontent div:first-of-type {
    height: 240px;
    width: 325px;
    background-color: blue;
}

.downcontent div {
    height: 240px;
    width: 445px;
}
.downcontent div img{
    height: 240px;
    width: 445px;
}
/* 明星单品 */
.star {
    height: 555px;
    background-color: red;
    display: flex;
    justify-content: space-around;
}

.starcontent {
    width: 1720px;
    height: 480px;
    background-color: green;
    display: flex;
    flex-direction: column;
}

.starup {
    height: 52px;
    background-color: yellow;
}

.stardown {
    flex: 1;
    background-color: blue;
    display: flex;
    justify-content: space-between;
}

.stardown div {
    width: 335px;
    height: 100%;
    background-color: white;
}

/* 智能硬件 */
.yingjian {
    height: 1120px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #F5F5F5;
}

.yingcontent {
    width: 1720px;
    height: 945px;
    /* background-color: green; */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.yingtop {
    height: 63px;
    width: 150px;
    /* background-color: blue; */
    font-size: 30px;
    text-align: left;
    line-height: 63px;
}

.yingmain {
    height: 882px;
    width: 1720px;
    /* background-color: blue; */
    display: flex;
    justify-content: space-between;
}

.yingleft {
    height: 882px;
    width: 330px;
    background: url(./image/T1IhLjBC_T1RXrhCrK.jpg) no-repeat;
    background-size: contain;
    /* background-color: yellow; */
}

.yingright {
    width: 1382px;
    /* background-color: white; */
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.yingright div {
    width: 330px;
    height: 430px;
    background-color: #FFFFFF;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
}

.server {
    height: 108px;
    /* background-color: red; */
    display: flex;
    justify-content: space-around;
    align-items: center;

}

.servercontent {
    width: 1720px;
    height: 32px;
    /* background-color: green; */
    display: flex;
    justify-content: space-around;
}

.servercontent div {
    width: 300px;
    height: 32px;
    /* background-color: greenyellow; */
    text-align: center;
    line-height: 20px;
    font-size: 20px;
    color: #A99F9E;
}

.servercontent div:not(.last):after {
    display: inline-block;
    content: "|";
    position: relative;
    top: 2px;
    left: 110px;
    font-size: 32px;
}

.footer {
    height: 300px;
    display: flex;
    justify-content: space-around;
}

.footercontent {
    width: 1720px;
    height: 300px;
    border-top: 1px solid #A99F9E;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.footerleft {
    width: 840px;
    height: 175px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footerleft ul {
    width: 840px;
    height: 175px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    color: #BFC5CF;
}

.footerleft ul li:first-of-type {
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: bolder;
    color: #000;
}

.footerright {
    width: 280px;
    height: 175px;
}

.footerright ul {
    width: 280px;
    height: 175px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    color: #FC6906;
    border-left: 1px solid #BFC5CF;
}

.footerright ul li:first-of-type {
    font-size: 25px;
    position: relative;
    top: 10px;
}

.footerright ul li:nth-of-type(2) {
    color: #000;
    position: relative;
    top: 10px;
}

.footerright ul li:nth-of-type(3) {
    color: #000;
    position: relative;
    top: -10px;
}

.footerright ul li:last-of-type {
    width: 175px;
    height: 40px;
    border: 1px solid #FC6906;
    text-align: center;
    line-height: 40px;
    position: relative;
    top: -10px;
}